The wall-mounted non-contact infrared thermometer can measure temperature within 1-10cm distance from forehead within 1S, reliable and accurate readings display on the screen. Celsius and Fahrenheit unit can be switched. It also supports 3-color indicator light alarm function. It can be wall mounted or tripod supported, and can be widely used in home, offices, hotels, shopping malls, supermarkets, schools, restaurants, rail stations, factories and more public places. Features: Non-Contact Measurement: The non-contact infrared thermometer, you only need to stand in the distance range of 1-10cm in front of the thermometer. Avoid touch skin, more healthy and safe. Accurate and Reliable: The forehead thermometer is equipped with the advanced infrared technology and high precision sensor for getting reliable and accurate readings within 1s. °C and °F Unit Switchable: This forehead infrared thermometer can show readings in Celsius or Fahrenheit. The measuring range: 32 °C-43 °C / 89.6°F-109.4°F. 3 Power Supply Ways: 3Pcs AA batteries (not included) or 1pcs 18650 battery or DC 5V 1A input by USB cable, three power supply ways meet different requirements. Flexible Installation: Three installation modes are supported. It can be placed on a tripod or fixed on the wall by hook or double-sided tape. Wide Applicability: Widely used at home or in factories, office buildings, supermarkets, restaurants, schools, rail stations and more public places. Specifications: Color: White Material: ABS Measuring Mode: Non contact Measuring Site: Forehead Measuring Distance: 1-10cm Response Time: 1S Measuring Range: 32 °C-43 °C / 89.6°F-109.4°F Measurement Accuracy: ±0.2°C Display Unit: Celsius(°C) / Fahrenheit(°F) Power Supply: USB DC 5V or 3 * AA Batteries (Not included) or 1 * 18650 battery (Not included) Alarm Function: 32-37.2℃ (Green light), 37.3-37.7℃ (Orange light and alarm), 37.8-43℃ (Red light and alarm) Memory Function: 32 sets of history temperature readings Product Size: 150 * 100 * 116mm / 5.9 * 3.9 * 4.6in Package Size: 155 * 124 * 107mm / 6.1 * 4.9 * 4.2in Package Weight: 290g / 10.2oz Package List: 1 * Thermometer 1 * User Manual 1 * USB Cable 1 * Set of Accessories